John Francis Anthony Pastorius III (December 1, 1951 – September 21, 1987), better known as Jaco Pastorius, was an American jazz musician and composer widely acknowledged for his skills as an electric bass player.
His playing style was noteworthy for containing intricate solos in the higher register. His innovations also included the use of harmonics and the "singing" quality of his melodies on the fretless bass. Pastorius suffered from mental illness including a substance-related disorder, and was diagnos...